Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

A male fruit fly in a laboratory chamber extends his wings and vibrates them to produce his species' version of a love song.

Animals may not celebrate Valentine’s Day, but courtship rituals, pair bonding and fierce competition shape love in the wild. Here’s what science reveals about attraction, chemistry and survival in ...

A pioneering study led by Baylor University biologist Sarah Kienle, Ph.D., and published in the journal Polar Biology has unveiled the first paired observations of sexual behavior and vocalizations in ...

In examining the mating rituals of roundworms, researchers uncovered a unique approach to reproduction that maximizes genetic fitness. Sparks fly when a female nematode meets her mate in a Petri dish.

From a flamingo’s stunning courtship dance to polar bears on vacation, here are 10 mesmerizing animal behaviors caught on camera. 0:00 - Intro to 10 Mesmerizing Animal Behaviors 0:17 - Gaboon Viper ...